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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
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Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(5): 2101-2109
DOI: https://doi.org/10.20546/ijcmas.2019.805.245


Effect of Different Nitrogen Levels and Spacing on Growth and Flowering of Iris (Iris orientalis Mill.) cv. ‘Frigia’
Tamanna Verma*, B.P. Sharma and Mallika Thakur
Department of Floriculture and Landscape Architecture, Dr YS Parmar University of Horticulture and Forestry, Nauni, Solan 173230 Himachal Pradesh, India
*Corresponding author
Abstract:

The present investigations were carried out at the research farm of Department of Floriculture and Landscape Architecture, Dr YS Parmar University of Horticulture and Forestry, Nauni, Solan, Himachal Pradesh during 2018 on cultivar Frigia. The experiment was laid out in a Randomized Block Design (factorial) using four levels of nitrogen i.e. 0, 15, 30 and 45 g/m2 with three plant spacing of 20 × 20 cm, 20 × 25 cm and 20 × 30 cm each being replicated thrice. The results revealed that wider spacing 20 x 30 cm and fertilized with 30 g/m2 recorded maximum values for number of leaves per plant (10.07), plant height (96.90 cm), spike length (68.36cm), plant spread (18.33 cm), number of florets per spike (4.53), floret size (14.12 cm), stem diameter (7.3 mm), fresh weight of cut stems (45.41 g), vase life (11.47 days) and duration of flowering (10.33 days). However, minimum days taken for visible bud formation (62.40 days) and for first flower opening (73.60 days) was recorded in plants without application of nitrogen i.e. control with plants spaced at 20 × 30 cm apart. Therefore, plants supplied with 30 g N/m2 spaced at 20 × 30 cm apart recorded maximum values in terms of most of the growth and flowering parameters in Iris orientalis Mill. cv. ‘Frigia’.


Keywords: Nitrogen, Spacing, Iris orientalis, Growth and Flowering
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How to cite this article:

Tamanna Verma, B.P. Sharma and Mallika Thakur. 2019. Effect of Different Nitrogen Levels and Spacing on Growth and Flowering of Iris (Iris orientalis Mill.) cv. ‘Frigia’.Int.J.Curr.Microbiol.App.Sci. 8(5): 2101-2109. doi: https://doi.org/10.20546/ijcmas.2019.805.245